Step 1: Go to Settings.
Step 2: On the Settings screen, tap Mail, Contacts, Calendars.
Step 3: Tap Add Account.
Step 4: Tap Exchange.
Step 5: Enter your Email address, Password, and a short Description (i.e. your company's name) for your email.
Step 6: Tap Next.
Note: Autoconnect will try to find the settings you need to configure for your account. If autoconnect is unsuccessful, you can manually configure your device by entering the information listed below.
Server — outlook.office365.com.
Username — Type your full email address (for example, holly@coolexample.com).
Step 7: Click Next.
Step 8: Click Save
